I have doubts about the different approaches to when the ENSO phase really is. We are in La Niña, however through the website: "https://www.ncdc.noaa.gov/teleconnections/enso/indicators/sst/" "El Niño (La Niña) is a phenomenon in the equatorial Pacific Ocean characterized by a five consecutive 3-month running mean of sea surface temperature (SST) anomalies in the Niño 3.4 region that is above (below) the threshold of + 0.5 ° C (-0.5 ° C). This standard of measure is known as the Oceanic Niño Index (ONI). " To which refer to "... five consecutive 3-month running mean ..."